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                            | [DHTMLET?](http://www.dhtmlet.com) | [偽類清單?](#)|?相關內容：SEE ALSO------------------------------------------??:link??:hover??:active??:visited | 
|-----|-----|

:focus版本：CSS2　 兼容性：NONE

  
?  
語法：  
?  
*Selector*** : focus ****{*** sRules ***}**  
?  
說明：  
?  
設置對象在成為輸入焦點（該對象的**onfocus**事件發生）時的[樣式表屬性](#)。  
目前IE5.5尚不支持此屬性。  
?  
示例：  
?  
a:focus { font-size: 14pt; text-decoration: underline; color: blue; }  
a:focus img { border: thin solid green }  
?  
?  
?  

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